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Home › Infiniti › 2023 › QX60 Autograph, AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System (DTC/Circuit Diagnosis) (6 Of 6) › DTC/Circuit Diagnosis › Variable Induction Air System › Component Function Check

Component Function Check

  1. CHECK OVERALL FUNCTION-I 
    1. SYMBOL With CONSULT
      1. Start engine and warm it up to the normal operating temperature.
      2. Perform "VIAS S/V-1" in "Active Test" mode of "ENGINE" with CONSULT.
      3. Turn VIAS control solenoid valve 1 "ON" and "OFF", and check that power valve actuator 1 rod moves.
        GNSDB45597Courtesy of NISSAN
        SYMBOL Power valve actuator 1 SYMBOL Power valve actuator 1 rod SYMBOL Power valve actuator 2
        SYMBOL Power valve actuator 2 rod        
        SYMBOL : Vehicle front        
    2. SYMBOL Without CONSULT
      1. Start engine and warm it up to the normal operating temperature.
      2. Rev engine quickly up to approximately 5, 000 RPM.
      3. Check that power valve actuator 1 rod moves.
        GNSDB45598Courtesy of NISSAN
        SYMBOL Power valve actuator 1 SYMBOL Power valve actuator 1 rod SYMBOL Power valve actuator 2
        SYMBOL Power valve actuator 2 rod        
        SYMBOL : Vehicle front  

    Is the inspection result normal?

    YES>>

    GO TO 2.

    NO>>

    Diagnosis Procedure .

  2. CHECK OVERALL FUNCTION-II 
    1. SYMBOL With CONSULT
      1. Perform "VIAS S/V-2" in "Active Test" mode of "ENGINE" with CONSULT.
      2. Turn VIAS control solenoid valve 2 "ON" and "OFF", and check that power valve actuator 2 rod moves.
        GNSDB45597Courtesy of NISSAN
        SYMBOL Power valve actuator 1 SYMBOL Power valve actuator 1 rod SYMBOL Power valve actuator 2
        SYMBOL Power valve actuator 2 rod        
        SYMBOL : Vehicle front        
    2. SYMBOL Without CONSULT
      1. When revving engine up to 5, 000 RPM quickly.
      2. Rev engine quickly up to approximately 5, 000 RPM.
      3. Check that power valve actuator 2 rod moves.
        GNSDB45598Courtesy of NISSAN
        SYMBOL Power valve actuator 1 SYMBOL Power valve actuator 1 rod SYMBOL Power valve actuator 2
        SYMBOL Power valve actuator 2 rod        
        SYMBOL : Vehicle front  

    Is the inspection result normal?

    YES>>

    INSPECTION END

    NO>>

    Diagnosis Procedure .

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